Average Co-Inventor Count = 1.24
ph-index = 5
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Parker-Hannifin Corporation (3 from 1,666 patents)
2. Racor Industries, Inc. (1 from 8 patents)
3. Hms Label Specialties, Inc. (1 from 2 patents)
4. Smyth Systems Company (1 from 1 patent)
6 patents:
1. 5545286 - Rotary magazine system for labeler
2. 5431274 - Rotary electronic profile placer
3. 4751898 - Coolant loss valve for engine protective system
4. 4724074 - Self-venting drain assembly
5. 4619764 - Repelling-action filter unit and assembly
6. 4502955 - Filter assembly